Description Roundcube Webmail through 1.3.9 mishandles Punycode xn-- domain names, leading to homograph attacks. Remediation References CVE-2019-15237 Related Vulnerabilities WordPress Plugin Post Pay Counter PHP Object Injection (2.730) Oracle HTTP Server Use of Insufficiently Random Values Vulnerability (CVE-2020-35163) MySQL CVE-2021-2357 Vulnerability (CVE-2021-2357) Apache Traffic Server Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') Vulnerability (CVE-2026-58155) Django Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2017-12794) Severity High Classification CVE-2019-15237 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N Tags Missing Update Known Vulnerabilities